<#--参数：label、prop、content-->
<#if content??>
    <el-table-column label="<#if label??>${label!""}</#if>" align="center" prop="<#if prop??>${prop!""}</#if>">
        <template slot-scope="scope">
            ${content!""}        </template>
    </el-table-column>
<#else >
    <el-table-column label="<#if label??>${label!""}</#if>" align="center" prop="<#if prop??>${prop!""}</#if>" show-overflow-tooltip/>
</#if>